Lawsonia intracellularis McOrist et al. 1995 Dataset NCBI Taxonomy Classification phylum Thermodesulfobacteriota class Desulfovibrionia order Desulfovibrionales family Desulfovibrionaceae genus Lawsonia species Lawsonia intracellularis Name Homonyms Lawsonia intracellularis Lawsonia cf. intracellularis Lawsonia intracellularis McOrist et al. 1995